panel/samsung-ams639rq08: Use refcounted allocation in place of devm_kzalloc()

Move to using the new API devm_drm_panel_alloc() to allocate the
panel.

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Anusha Srivatsa <asrivats@redhat.com>
Link: https://lore.kernel.org/r/20250529-b4-drm_panel_mass_driver_convert_part3-v2-9-5d75a3711e40@redhat.com
Signed-off-by: Maxime Ripard <mripard@kernel.org>

diff --git a/drivers/gpu/drm/panel/panel-samsung-ams639rq08.c b/drivers/gpu/drm/panel/panel-samsung-ams639rq08.c
index 817365cb5e461f5e0a154b6d9d5c101e05b8945b..f8ebbd4a530bda494d320f691cd13c6747c5f8db 100644 (file)
--- a/drivers/gpu/drm/panel/panel-samsung-ams639rq08.c
+++ b/drivers/gpu/drm/panel/panel-samsung-ams639rq08.c
@@ -257,9 +257,11 @@ static int ams639rq08_probe(struct mipi_dsi_device *dsi)
        struct ams639rq08 *ctx;
        int ret;
 
-       ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
-       if (!ctx)
-               return -ENOMEM;
+       ctx = devm_drm_panel_alloc(dev, struct ams639rq08, panel,
+                                  &ams639rq08_panel_funcs,
+                                  DRM_MODE_CONNECTOR_DSI);
+       if (IS_ERR(ctx))
+               return PTR_ERR(ctx);
 
        ret = devm_regulator_bulk_get_const(&dsi->dev,
                                            ARRAY_SIZE(ams639rq08_supplies),
@@ -281,8 +283,6 @@ static int ams639rq08_probe(struct mipi_dsi_device *dsi)
        dsi->mode_flags = MIPI_DSI_MODE_VIDEO_BURST |
                          MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM;
 
-       drm_panel_init(&ctx->panel, dev, &ams639rq08_panel_funcs,
-                       DRM_MODE_CONNECTOR_DSI);
        ctx->panel.prepare_prev_first = true;
 
        ctx->panel.backlight = ams639rq08_create_backlight(dsi);